<?php /** @file */ require_once("include/template_processor.php"); require_once("include/smarty.php"); /** * This is our template processor * * @param string|FriendicaSmarty $s the string requiring macro substitution, * or an instance of FriendicaSmarty * @param array $r key value pairs (search => replace) * @return string substituted string */ function replace_macros($s,$r) { $a = get_app(); $arr = array('template' => $s, 'params' => $r); call_hooks('replace_macros', $arr); $t = $a->template_engine(); $output = $t->replace_macros($arr['template'],$arr['params']); return $output; } // random string, there are 86 characters max in text mode, 128 for hex // output is urlsafe define('RANDOM_STRING_HEX', 0x00 ); define('RANDOM_STRING_TEXT', 0x01 ); function random_string($size = 64,$type = RANDOM_STRING_HEX) { // generate a bit of entropy and run it through the whirlpool $s = hash('whirlpool', (string) rand() . uniqid(rand(),true) . (string) rand(),(($type == RANDOM_STRING_TEXT) ? true : false)); $s = (($type == RANDOM_STRING_TEXT) ? str_replace("\n","",base64url_encode($s,true)) : $s); return(substr($s,0,$size)); } /** * This is our primary input filter. * * The high bit hack only involved some old IE browser, forget which (IE5/Mac?) * that had an XSS attack vector due to stripping the high-bit on an 8-bit character * after cleansing, and angle chars with the high bit set could get through as markup. * * This is now disabled because it was interfering with some legitimate unicode sequences * and hopefully there aren't a lot of those browsers left. * * Use this on any text input where angle chars are not valid or permitted * They will be replaced with safer brackets. This may be filtered further * if these are not allowed either. * * @param string $string Input string * @return string Filtered string */ function notags($string) { return(str_replace(array("<",">"), array('[',']'), $string)); // High-bit filter no longer used // return(str_replace(array("<",">","\xBA","\xBC","\xBE"), array('[',']','','',''), $string)); } // use this on "body" or "content" input where angle chars shouldn't be removed, // and allow them to be safely displayed. /** * use this on "body" or "content" input where angle chars shouldn't be removed, * and allow them to be safely displayed. * @param string $string * @return string */ function escape_tags($string) { return(htmlspecialchars($string, ENT_COMPAT, 'UTF-8', false)); } function z_input_filter($channel_id,$s,$type = 'text/bbcode') { if($type === 'text/bbcode') return escape_tags($s); if($type === 'text/markdown') return escape_tags($s); if($type == 'text/plain') return escape_tags($s); $r = q("select account_id, account_roles from account left join channel on channel_account_id = account_id where channel_id = %d limit 1", intval($channel_id) ); if($r && ($r[0]['account_roles'] & ACCOUNT_ROLE_ALLOWCODE)) { if(local_user() && (get_account_id() == $r[0]['account_id'])) { return $s; } } if($type === 'text/html') return purify_html($s); return escape_tags($s); } function purify_html($s) { require_once('library/HTMLPurifier.auto.php'); require_once('include/html2bbcode.php'); // FIXME this function has html output, not bbcode - so safely purify these // $s = html2bb_video($s); // $s = oembed_html2bbcode($s); $config = HTMLPurifier_Config::createDefault(); $config->set('Cache.DefinitionImpl', null); $config->set('Attr.EnableID', true); $purifier = new HTMLPurifier($config); return $purifier->purify($s); } // generate a string that's random, but usually pronounceable. // used to generate initial passwords /** * generate a string that's random, but usually pronounceable. * used to generate initial passwords * @param int $len * @return string */ function autoname($len) { if($len <= 0) return ''; $vowels = array('a','a','ai','au','e','e','e','ee','ea','i','ie','o','ou','u'); if(mt_rand(0,5) == 4) $vowels[] = 'y'; $cons = array( 'b','bl','br', 'c','ch','cl','cr', 'd','dr', 'f','fl','fr', 'g','gh','gl','gr', 'h', 'j', 'k','kh','kl','kr', 'l', 'm', 'n', 'p','ph','pl','pr', 'qu', 'r','rh', 's','sc','sh','sm','sp','st', 't','th','tr', 'v', 'w','wh', 'x', 'z','zh' ); $midcons = array('ck','ct','gn','ld','lf','lm','lt','mb','mm', 'mn','mp', 'nd','ng','nk','nt','rn','rp','rt'); $noend = array('bl', 'br', 'cl','cr','dr','fl','fr','gl','gr', 'kh', 'kl','kr','mn','pl','pr','rh','tr','qu','wh'); $start = mt_rand(0,2); if($start == 0) $table = $vowels; else $table = $cons; $word = ''; for ($x = 0; $x < $len; $x ++) { $r = mt_rand(0,count($table) - 1); $word .= $table[$r]; if($table == $vowels) $table = array_merge($cons,$midcons); else $table = $vowels; } $word = substr($word,0,$len); foreach($noend as $noe) { if((strlen($word) > 2) && (substr($word,-2) == $noe)) { $word = substr($word,0,-1); break; } } if(substr($word,-1) == 'q') $word = substr($word,0,-1); return $word; } // escape text ($str) for XML transport // returns escaped text. /** * escape text ($str) for XML transport * @param string $str * @return string Escaped text. */ function xmlify($str) { $buffer = ''; $len = mb_strlen($str); for($x = 0; $x < $len; $x ++) { $char = mb_substr($str,$x,1); switch( $char ) { case "\r" : break; case "&" : $buffer .= '&'; break; case "'" : $buffer .= '''; break; case "\"" : $buffer .= '"'; break; case '<' : $buffer .= '<'; break; case '>' : $buffer .= '>'; break; case "\n" : $buffer .= "\n"; break; default : $buffer .= $char; break; } } $buffer = trim($buffer); return($buffer); } // undo an xmlify // pass xml escaped text ($s), returns unescaped text function unxmlify($s) { $ret = str_replace('&','&', $s); $ret = str_replace(array('<','>','"','''),array('<','>','"',"'"),$ret); return $ret; } // convenience wrapper, reverse the operation "bin2hex" // This is a built-in function in php >= 5.4 if(! function_exists('hex2bin')) { function hex2bin($s) { if(! (is_string($s) && strlen($s))) return ''; if(strlen($s) & 1) { logger('hex2bin: illegal hex string: ' . $s); return $s; } if(! ctype_xdigit($s)) { return($s); } return(pack("H*",$s)); }} // Automatic pagination. // To use, get the count of total items. // Then call $a->set_pager_total($number_items); // Optionally call $a->set_pager_itemspage($n) to the number of items to display on each page // Then call paginate($a) after the end of the display loop to insert the pager block on the page // (assuming there are enough items to paginate). // When using with SQL, the setting LIMIT %d, %d => $a->pager['start'],$a->pager['itemspage'] // will limit the results to the correct items for the current page. // The actual page handling is then accomplished at the application layer. function paginate(&$a) { $o = ''; $stripped = preg_replace('/(&page=[0-9]*)/','',$a->query_string); // $stripped = preg_replace('/&zid=(.*?)([\?&]|$)/ism','',$stripped); $stripped = str_replace('q=','',$stripped); $stripped = trim($stripped,'/'); $pagenum = $a->pager['page']; $url = $a->get_baseurl() . '/' . $stripped; if($a->pager['total'] > $a->pager['itemspage']) { $o .= '<div class="pager">'; if($a->pager['page'] != 1) $o .= '<span class="pager_prev">'."<a href=\"$url".'&page='.($a->pager['page'] - 1).'">' . t('prev') . '</a></span> '; $o .= "<span class=\"pager_first\"><a href=\"$url"."&page=1\">" . t('first') . "</a></span> "; $numpages = $a->pager['total'] / $a->pager['itemspage']; $numstart = 1; $numstop = $numpages; if($numpages > 14) { $numstart = (($pagenum > 7) ? ($pagenum - 7) : 1); $numstop = (($pagenum > ($numpages - 7)) ? $numpages : ($numstart + 14)); } for($i = $numstart; $i <= $numstop; $i++){ if($i == $a->pager['page']) $o .= '<span class="pager_current">'.(($i < 10) ? ' '.$i : $i); else $o .= "<span class=\"pager_n\"><a href=\"$url"."&page=$i\">".(($i < 10) ? ' '.$i : $i)."</a>"; $o .= '</span> '; } if(($a->pager['total'] % $a->pager['itemspage']) != 0) { if($i == $a->pager['page']) $o .= '<span class="pager_current">'.(($i < 10) ? ' '.$i : $i); else $o .= "<span class=\"pager_n\"><a href=\"$url"."&page=$i\">".(($i < 10) ? ' '.$i : $i)."</a>"; $o .= '</span> '; } $lastpage = (($numpages > intval($numpages)) ? intval($numpages)+1 : $numpages); $o .= "<span class=\"pager_last\"><a href=\"$url"."&page=$lastpage\">" . t('last') . "</a></span> "; if(($a->pager['total'] - ($a->pager['itemspage'] * $a->pager['page'])) > 0) $o .= '<span class="pager_next">'."<a href=\"$url"."&page=".($a->pager['page'] + 1).'">' . t('next') . '</a></span>'; $o .= '</div>'."\r\n"; } return $o; } function alt_pager(&$a, $i, $more = '', $less = '') { $o = ''; if(! $more) $more = t('older'); if(! $less) $less = t('newer'); $stripped = preg_replace('/(&page=[0-9]*)/','',$a->query_string); $stripped = str_replace('q=','',$stripped); $stripped = trim($stripped,'/'); $pagenum = $a->pager['page']; $url = $a->get_baseurl() . '/' . $stripped; return replace_macros(get_markup_template('alt_pager.tpl'),array( '$has_less' => (($a->pager['page'] > 1) ? true : false), '$has_more' => (($i > 0 && $i >= $a->pager['itemspage']) ? true : false), '$less' => $less, '$more' => $more, '$url' => $url, '$prevpage' => $a->pager['page'] - 1, '$nextpage' => $a->pager['page'] + 1, )); } // Turn user/group ACLs stored as angle bracketed text into arrays function expand_acl($s) { // turn string array of angle-bracketed elements into string array // e.g. "<123xyz><246qyo><sxo33e>" => array(123xyz,246qyo,sxo33e); $ret = array(); if(strlen($s)) { $t = str_replace('<','',$s); $a = explode('>',$t); foreach($a as $aa) { if($aa) $ret[] = $aa; } } return $ret; } // Used to wrap ACL elements in angle brackets for storage function sanitise_acl(&$item) { if(strlen($item)) $item = '<' . notags(trim($item)) . '>'; else unset($item); } // Convert an ACL array to a storable string function perms2str($p) { $ret = ''; if(is_array($p)) $tmp = $p; else $tmp = explode(',',$p); if(is_array($tmp)) { array_walk($tmp,'sanitise_acl'); $ret = implode('',$tmp); } return $ret; } /** * @brief Generate a guaranteed unique (for this domain) item ID for ATOM. * * Safe from birthday paradox. * * @return string a unique id */ function item_message_id() { do { $dups = false; $hash = random_string(); $mid = $hash . '@' . get_app()->get_hostname(); $r = q("SELECT id FROM item WHERE mid = '%s' LIMIT 1", dbesc($mid)); if(count($r)) $dups = true; } while($dups == true); return $mid; } /** * @brief Generate a guaranteed unique photo ID. * * Safe from birthday paradox. * * @return string a uniqe hash */ function photo_new_resource() { do { $found = false; $resource = hash('md5', uniqid(mt_rand(), true)); $r = q("SELECT id FROM photo WHERE resource_id = '%s' LIMIT 1", dbesc($resource)); if(count($r)) $found = true; } while($found === true); return $resource; } // for html,xml parsing - let's say you've got // an attribute foobar="class1 class2 class3" // and you want to find out if it contains 'class3'. // you can't use a normal sub string search because you // might match 'notclass3' and a regex to do the job is // possible but a bit complicated. // pass the attribute string as $attr and the attribute you // are looking for as $s - returns true if found, otherwise false function attribute_contains($attr, $s) { $a = explode(' ', $attr); if(count($a) && in_array($s, $a)) return true; return false; } /** * @brief Logging function for RedMatrix. * * Logging output is configured through RedMatrix's system config. The log file * is set in system logfile, log level in system loglevel and to enable logging * set system debugging. * * Available constants for log level are LOGGER_NORMAL, LOGGER_TRACE, LOGGER_DEBUG, * LOGGER_DATA and LOGGER_ALL. * * Since PHP5.4 we get the file, function and line automatically where the logger * was caleld, so no need to add it to the message anymore. * * @param string $msg Message to log * @param int $level A log level. */ function logger($msg, $level = 0) { // turn off logger in install mode global $a; global $db; if(($a->module == 'install') || (! ($db && $db->connected))) return; $debugging = get_config('system', 'debugging'); $loglevel = intval(get_config('system', 'loglevel')); $logfile = get_config('system', 'logfile'); if((! $debugging) || (! $logfile) || ($level > $loglevel)) return; $where = ''; if(version_compare(PHP_VERSION, '5.4.0') >= 0) { $stack = debug_backtrace(DEBUG_BACKTRACE_IGNORE_ARGS, 2); $where = basename($stack[0]['file']) . ':' . $stack[0]['line'] . ':' . $stack[1]['function'] . ': '; } @file_put_contents($logfile, datetime_convert() . ':' . session_id() . ' ' . $where . $msg . PHP_EOL, FILE_APPEND); } /** * @brief This is a special logging facility for developers. * * It allows one to target specific things to trace/debug and is identical to * logger() with the exception of the log filename. This allows one to isolate * specific calls while allowing logger() to paint a bigger picture of overall * activity and capture more detail. * * If you find dlogger() calls in checked in code, you are free to remove them - * so as to provide a noise-free development environment which responds to events * you are targetting personally. * * @param string $msg Message to log * @param int $level A log level. */ function dlogger($msg, $level = 0) { // turn off logger in install mode global $a; global $db; if(($a->module == 'install') || (! ($db && $db->connected))) return; $debugging = get_config('system','debugging'); $loglevel = intval(get_config('system','loglevel')); $logfile = get_config('system','dlogfile'); if((! $debugging) || (! $logfile) || ($level > $loglevel)) return; $where = ''; if(version_compare(PHP_VERSION, '5.4.0') >= 0) { $stack = debug_backtrace(DEBUG_BACKTRACE_IGNORE_ARGS, 2); $where = basename($stack[0]['file']) . ':' . $stack[0]['line'] . ':' . $stack[1]['function'] . ': '; } @file_put_contents($logfile, datetime_convert() . ':' . session_id() . ' ' . $where . $msg . PHP_EOL, FILE_APPEND); } function profiler($t1,$t2,$label) { if(file_exists('profiler.out') && $t1 && t2) @file_put_contents('profiler.out', sprintf('%01.4f %s',$t2 - $t1,$label) . PHP_EOL, FILE_APPEND); } function activity_match($haystack,$needle) { if(($haystack === $needle) || ((basename($needle) === $haystack) && strstr($needle,NAMESPACE_ACTIVITY_SCHEMA))) return true; return false; } // Pull out all #hashtags and @person tags from $s; // We also get @person@domain.com - which would make // the regex quite complicated as tags can also // end a sentence. So we'll run through our results // and strip the period from any tags which end with one. // Returns array of tags found, or empty array. function get_tags($s) { $ret = array(); // ignore anything in a code block $s = preg_replace('/\[code\](.*?)\[\/code\]/sm','',$s); // ignore anything in [style= ] $s = preg_replace('/\[style=(.*?)\]/sm','',$s); // match any double quoted tags if(preg_match_all('/([@#]\"\;.*?\"\;)/',$s,$match)) { foreach($match[1] as $mtch) { $ret[] = $mtch; } } // Match full names against @tags including the space between first and last // We will look these up afterward to see if they are full names or not recognisable. if(preg_match_all('/(@[^ \x0D\x0A,:?]+ [^ \x0D\x0A@,:?]+)([ \x0D\x0A@,:?]|$)/',$s,$match)) { foreach($match[1] as $mtch) { if(strstr($mtch,"]")) { // we might be inside a bbcode color tag - leave it alone continue; } if(substr($mtch,-1,1) === '.') $ret[] = substr($mtch,0,-1); else $ret[] = $mtch; } } // Otherwise pull out single word tags. These can be @nickname, @first_last // and #hash tags. if(preg_match_all('/([@#][^ \x0D\x0A,;:?]+)([ \x0D\x0A,;:?]|$)/',$s,$match)) { foreach($match[1] as $mtch) { if(strstr($mtch,"]")) { // we might be inside a bbcode color tag - leave it alone continue; } if(substr($mtch,-1,1) === '.') $mtch = substr($mtch,0,-1); // ignore strictly numeric tags like #1 or #^ bookmarks or ## double hash if((strpos($mtch,'#') === 0) && ( ctype_digit(substr($mtch,1)) || substr($mtch,1,1) === '^') || substr($mtch,1,1) === '#') continue; // try not to catch url fragments if(strpos($s,$mtch) && preg_match('/[a-zA-z0-9\/]/',substr($s,strpos($s,$mtch)-1,1))) continue; // or quote remnants from the quoted strings we already picked out earlier if(strpos($mtch,'"')) continue; $ret[] = $mtch; } } // bookmarks if(preg_match_all('/#\^\[(url|zrl)(.*?)\](.*?)\[\/(url|zrl)\]/',$s,$match,PREG_SET_ORDER)) { foreach($match as $mtch) { $ret[] = $mtch[0]; } } // make sure the longer tags are returned first so that if two or more have common substrings // we'll replace the longest ones first. Otherwise the common substring would be found in // both strings and the string replacement would link both to the shorter strings and // fail to link the longer string. RedMatrix github issue #378 usort($ret,'tag_sort_length'); // logger('get_tags: ' . print_r($ret,true)); return $ret; } function tag_sort_length($a,$b) { if(mb_strlen($a) == mb_strlen($b)) return 0; return((mb_strlen($b) < mb_strlen($a)) ? (-1) : 1); } function strip_zids($s) { return preg_replace('/[\?&]zid=(.*?)(&|$)/ism','$2',$s); } // quick and dirty quoted_printable encoding function qp($s) { return str_replace ("%","=",rawurlencode($s)); } function get_mentions($item,$tags) { $o = ''; if(! count($tags)) return $o; foreach($tags as $x) { if($x['type'] == TERM_MENTION) { $o .= "\t\t" . '<link rel="mentioned" href="' . $x['url'] . '" />' . "\r\n"; $o .= "\t\t" . '<link rel="ostatus:attention" href="' . $x['url'] . '" />' . "\r\n"; } } return $o; } function contact_block() { $o = ''; $a = get_app(); if(! $a->profile['uid']) return; if(! perm_is_allowed($a->profile['uid'],get_observer_hash(),'view_contacts')) return; $shown = get_pconfig($a->profile['uid'],'system','display_friend_count'); if($shown === false) $shown = 24; if($shown == 0) return; $is_owner = ((local_user() && local_user() == $a->profile['uid']) ? true : false); $abook_flags = ABOOK_FLAG_PENDING|ABOOK_FLAG_SELF; $xchan_flags = XCHAN_FLAGS_ORPHAN|XCHAN_FLAGS_DELETED; if(! $is_owner) { $abook_flags = $abook_flags | ABOOK_FLAG_HIDDEN; $xchan_flags = $xchan_flags | XCHAN_FLAGS_HIDDEN; } if((! is_array($a->profile)) || ($a->profile['hide_friends'])) return $o; $r = q("SELECT COUNT(abook_id) AS total FROM abook left join xchan on abook_xchan = xchan_hash WHERE abook_channel = %d and not ( abook_flags & %d )>0 and not (xchan_flags & %d)>0", intval($a->profile['uid']), intval($abook_flags), intval($xchan_flags) ); if(count($r)) { $total = intval($r[0]['total']); } if(! $total) { $contacts = t('No connections'); $micropro = null; } else { if(ACTIVE_DBTYPE == DBTYPE_POSTGRES) { $randfunc = 'RANDOM()'; } else { $randfunc = 'RAND()'; } $r = q("SELECT abook.*, xchan.* FROM abook left join xchan on abook.abook_xchan = xchan.xchan_hash WHERE abook_channel = %d AND not ( abook_flags & %d)>0 and not (xchan_flags & %d )>0 ORDER BY $randfunc LIMIT %d", intval($a->profile['uid']), intval($abook_flags|ABOOK_FLAG_ARCHIVED), intval($xchan_flags), intval($shown) ); if(count($r)) { $contacts = sprintf( tt('%d Connection','%d Connections', $total),$total); $micropro = Array(); foreach($r as $rr) { $rr['archived'] = (($rr['abook_flags'] & ABOOK_FLAG_ARCHIVED) ? true : false); $micropro[] = micropro($rr,true,'mpfriend'); } } } $tpl = get_markup_template('contact_block.tpl'); $o = replace_macros($tpl, array( '$contacts' => $contacts, '$nickname' => $a->profile['channel_address'], '$viewconnections' => t('View Connections'), '$micropro' => $micropro, )); $arr = array('contacts' => $r, 'output' => $o); call_hooks('contact_block_end', $arr); return $o; } function chanlink_hash($s) { return z_root() . '/chanview?f=&hash=' . urlencode($s); } function chanlink_url($s) { return z_root() . '/chanview?f=&url=' . urlencode($s); } function chanlink_cid($d) { return z_root() . '/chanview?f=&cid=' . intval($d); } function magiclink_url($observer,$myaddr,$url) { return (($observer) ? z_root() . '/magic?f=&dest=' . $url . '&addr=' . $myaddr : $url ); } function micropro($contact, $redirect = false, $class = '', $textmode = false) { if($contact['click']) $url = '#'; else $url = chanlink_hash($contact['xchan_hash']); return replace_macros(get_markup_template(($textmode)?'micropro_txt.tpl':'micropro_img.tpl'),array( '$click' => (($contact['click']) ? $contact['click'] : ''), '$class' => $class . (($contact['archived']) ? ' archived' : ''), '$url' => $url, '$photo' => $contact['xchan_photo_s'], '$name' => $contact['xchan_name'], '$title' => $contact['xchan_name'] . ' [' . $contact['xchan_addr'] . ']', )); } function search($s,$id='search-box',$url='/search',$save = false) { $a = get_app(); return replace_macros(get_markup_template('searchbox.tpl'),array( '$s' => $s, '$id' => $id, '$action_url' => $a->get_baseurl((stristr($url,'network')) ? true : false) . $url, '$search_label' => t('Search'), '$save_label' => t('Save'), '$savedsearch' => feature_enabled(local_user(),'savedsearch') )); } function searchbox($s,$id='search-box',$url='/search',$save = false) { return replace_macros(get_markup_template('searchbox.tpl'),array( '$s' => $s, '$id' => $id, '$action_url' => z_root() . '/' . $url, '$search_label' => t('Search'), '$save_label' => t('Save'), '$savedsearch' => feature_enabled(local_user(),'savedsearch') )); } function valid_email($x){ if(get_config('system','disable_email_validation')) return true; if(preg_match('/^[_a-zA-Z0-9\-\+]+(\.[_a-zA-Z0-9\-\+]+)*@[a-zA-Z0-9-]+(\.[a-zA-Z0-9-]+)+$/',$x)) return true; return false; } /** * * Function: linkify * * Replace naked text hyperlink with HTML formatted hyperlink * */ function linkify($s) { $s = preg_replace("/(https?\:\/\/[a-zA-Z0-9\:\/\-\?\&\;\.\=\_\@\~\#\'\%\$\!\+]*)/", ' <a href="$1" >$1</a>', $s); $s = preg_replace("/\<(.*?)(src|href)=(.*?)\&\;(.*?)\>/ism",'<$1$2=$3&$4>',$s); return($s); } /** * @function sslify($s) * Replace media element using http url with https to a local redirector if using https locally * @param string $s * * Looks for HTML tags containing src elements that are http when we're viewing an https page * Typically this throws an insecure content violation in the browser. So we redirect them * to a local redirector which uses https and which redirects to the selected content * * @returns string */ function sslify($s) { if(strpos(z_root(),'https:') === false) return $s; $matches = null; $cnt = preg_match_all("/\<(.*?)src=\"(http\:.*?)\"(.*?)\>/",$s,$matches,PREG_SET_ORDER); if($cnt) { foreach($matches as $match) { $s = str_replace($match[2],z_root() . '/sslify?f=&url=' . urlencode($match[2]),$s); } } return $s; } function get_poke_verbs() { // index is present tense verb // value is array containing past tense verb, translation of present, translation of past $arr = array( 'poke' => array( 'poked', t('poke'), t('poked')), 'ping' => array( 'pinged', t('ping'), t('pinged')), 'prod' => array( 'prodded', t('prod'), t('prodded')), 'slap' => array( 'slapped', t('slap'), t('slapped')), 'finger' => array( 'fingered', t('finger'), t('fingered')), 'rebuff' => array( 'rebuffed', t('rebuff'), t('rebuffed')), ); call_hooks('poke_verbs', $arr); return $arr; } function get_mood_verbs() { $arr = array( 'happy' => t('happy'), 'sad' => t('sad'), 'mellow' => t('mellow'), 'tired' => t('tired'), 'perky' => t('perky'), 'angry' => t('angry'), 'stupefied' => t('stupified'), 'puzzled' => t('puzzled'), 'interested' => t('interested'), 'bitter' => t('bitter'), 'cheerful' => t('cheerful'), 'alive' => t('alive'), 'annoyed' => t('annoyed'), 'anxious' => t('anxious'), 'cranky' => t('cranky'), 'disturbed' => t('disturbed'), 'frustrated' => t('frustrated'), 'depressed' => t('depressed'), 'motivated' => t('motivated'), 'relaxed' => t('relaxed'), 'surprised' => t('surprised'), ); call_hooks('mood_verbs', $arr); return $arr; } // Function to list all smilies, both internal and from addons // Returns array with keys 'texts' and 'icons' function list_smilies() { $a = get_app(); $texts = array( '<3', '</3', '<\\3', ':-)', ';-)', ':-(', ':-P', ':-p', ':-"', ':-"', ':-x', ':-X', ':-D', '8-|', '8-O', ':-O', '\\o/', 'o.O', 'O.o', 'o_O', 'O_o', ":'(", ":-!", ":-/", ":-[", "8-)", ':beer', ':homebrew', ':coffee', ':facepalm', ':like', ':dislike', 'red#matrix', 'red#', 'r#' ); $icons = array( '<img class="smiley" src="' . $a->get_baseurl() . '/images/smiley-heart.gif" alt="<3" />', '<img class="smiley" src="' . $a->get_baseurl() . '/images/smiley-brokenheart.gif" alt="</3" />', '<img class="smiley" src="' . $a->get_baseurl() . '/images/smiley-brokenheart.gif" alt="<\\3" />', '<img class="smiley" src="' . $a->get_baseurl() . '/images/smiley-smile.gif" alt=":-)" />', '<img class="smiley" src="' . $a->get_baseurl() . '/images/smiley-wink.gif" alt=";-)" />', '<img class="smiley" src="' . $a->get_baseurl() . '/images/smiley-frown.gif" alt=":-(" />', '<img class="smiley" src="' . $a->get_baseurl() . '/images/smiley-tongue-out.gif" alt=":-P" />', '<img class="smiley" src="' . $a->get_baseurl() . '/images/smiley-tongue-out.gif" alt=":-p" />', '<img class="smiley" src="' . $a->get_baseurl() . '/images/smiley-kiss.gif" alt=":-\"" />', '<img class="smiley" src="' . $a->get_baseurl() . '/images/smiley-kiss.gif" alt=":-\"" />', '<img class="smiley" src="' . $a->get_baseurl() . '/images/smiley-kiss.gif" alt=":-x" />', '<img class="smiley" src="' . $a->get_baseurl() . '/images/smiley-kiss.gif" alt=":-X" />', '<img class="smiley" src="' . $a->get_baseurl() . '/images/smiley-laughing.gif" alt=":-D" />', '<img class="smiley" src="' . $a->get_baseurl() . '/images/smiley-surprised.gif" alt="8-|" />', '<img class="smiley" src="' . $a->get_baseurl() . '/images/smiley-surprised.gif" alt="8-O" />', '<img class="smiley" src="' . $a->get_baseurl() . '/images/smiley-surprised.gif" alt=":-O" />', '<img class="smiley" src="' . $a->get_baseurl() . '/images/smiley-thumbsup.gif" alt="\\o/" />', '<img class="smiley" src="' . $a->get_baseurl() . '/images/smiley-Oo.gif" alt="o.O" />', '<img class="smiley" src="' . $a->get_baseurl() . '/images/smiley-Oo.gif" alt="O.o" />', '<img class="smiley" src="' . $a->get_baseurl() . '/images/smiley-Oo.gif" alt="o_O" />', '<img class="smiley" src="' . $a->get_baseurl() . '/images/smiley-Oo.gif" alt="O_o" />', '<img class="smiley" src="' . $a->get_baseurl() . '/images/smiley-cry.gif" alt=":\'(" />', '<img class="smiley" src="' . $a->get_baseurl() . '/images/smiley-foot-in-mouth.gif" alt=":-!" />', '<img class="smiley" src="' . $a->get_baseurl() . '/images/smiley-undecided.gif" alt=":-/" />', '<img class="smiley" src="' . $a->get_baseurl() . '/images/smiley-embarassed.gif" alt=":-[" />', '<img class="smiley" src="' . $a->get_baseurl() . '/images/smiley-cool.gif" alt="8-)" />', '<img class="smiley" src="' . $a->get_baseurl() . '/images/beer_mug.gif" alt=":beer" />', '<img class="smiley" src="' . $a->get_baseurl() . '/images/beer_mug.gif" alt=":homebrew" />', '<img class="smiley" src="' . $a->get_baseurl() . '/images/coffee.gif" alt=":coffee" />', '<img class="smiley" src="' . $a->get_baseurl() . '/images/smiley-facepalm.gif" alt=":facepalm" />', '<img class="smiley" src="' . $a->get_baseurl() . '/images/like.gif" alt=":like" />', '<img class="smiley" src="' . $a->get_baseurl() . '/images/dislike.gif" alt=":dislike" />', '<a href="http://getzot.com"><strong>red<img class="smiley" src="' . $a->get_baseurl() . '/images/rm-16.png" alt="' . urlencode('red#matrix') . '" />matrix</strong></a>', '<a href="http://getzot.com"><strong>red<img class="smiley" src="' . $a->get_baseurl() . '/images/rm-16.png" alt="' . urlencode('red#') . '" />matrix</strong></a>', '<a href="http://getzot.com"><strong>red<img class="smiley" src="' . $a->get_baseurl() . '/images/rm-16.png" alt="r#" />matrix</strong></a>' ); $params = array('texts' => $texts, 'icons' => $icons); call_hooks('smilie', $params); return $params; } /** * * Function: smilies * * Description: * Replaces text emoticons with graphical images * * @Parameter: string $s * * Returns string * * It is expected that this function will be called using HTML text. * We will escape text between HTML pre and code blocks, and HTML attributes * (such as urls) from being processed. * * At a higher level, the bbcode [nosmile] tag can be used to prevent this * function from being executed by the prepare_text() routine when preparing * bbcode source for HTML display * */ function smilies($s, $sample = false) { $a = get_app(); if(intval(get_config('system','no_smilies')) || (local_user() && intval(get_pconfig(local_user(),'system','no_smilies')))) return $s; $s = preg_replace_callback('{<(pre|code)>.*?</\1>}ism','smile_shield',$s); $s = preg_replace_callback('/<[a-z]+ .*?>/ism','smile_shield',$s); $params = list_smilies(); $params['string'] = $s; if($sample) { $s = '<div class="smiley-sample">'; for($x = 0; $x < count($params['texts']); $x ++) { $s .= '<dl><dt>' . $params['texts'][$x] . '</dt><dd>' . $params['icons'][$x] . '</dd></dl>'; } } else { $params['string'] = preg_replace_callback('/<(3+)/','preg_heart',$params['string']); $s = str_replace($params['texts'],$params['icons'],$params['string']); } $s = preg_replace_callback('/<!--base64:(.*?)-->/ism', 'smile_unshield', $s); return $s; } function smile_shield($m) { return '<!--base64:' . base64url_encode($m[0]) . '-->'; } function smile_unshield($m) { return base64url_decode($m[1]); } // expand <3333 to the correct number of hearts function preg_heart($x) { $a = get_app(); if(strlen($x[1]) == 1) return $x[0]; $t = ''; for($cnt = 0; $cnt < strlen($x[1]); $cnt ++) $t .= '<img class="smiley" src="' . $a->get_baseurl() . '/images/smiley-heart.gif" alt="<3" />'; $r = str_replace($x[0],$t,$x[0]); return $r; } function day_translate($s) { $ret = str_replace(array('Monday','Tuesday','Wednesday','Thursday','Friday','Saturday','Sunday'), array( t('Monday'), t('Tuesday'), t('Wednesday'), t('Thursday'), t('Friday'), t('Saturday'), t('Sunday')), $s); $ret = str_replace(array('January','February','March','April','May','June','July','August','September','October','November','December'), array( t('January'), t('February'), t('March'), t('April'), t('May'), t('June'), t('July'), t('August'), t('September'), t('October'), t('November'), t('December')), $ret); return $ret; } function normalise_link($url) { $ret = str_replace(array('https:','//www.'), array('http:','//'), $url); return(rtrim($ret,'/')); } /** * * Compare two URLs to see if they are the same, but ignore * slight but hopefully insignificant differences such as if one * is https and the other isn't, or if one is www.something and * the other isn't - and also ignore case differences. * * Return true if the URLs match, otherwise false. * */ function link_compare($a,$b) { if(strcasecmp(normalise_link($a),normalise_link($b)) === 0) return true; return false; } // Given an item array, convert the body element from bbcode to html and add smilie icons. // If attach is true, also add icons for item attachments function unobscure(&$item) { if(array_key_exists('item_flags',$item) && ($item['item_flags'] & ITEM_OBSCURED)) { $key = get_config('system','prvkey'); if($item['title']) $item['title'] = crypto_unencapsulate(json_decode_plus($item['title']),$key); if($item['body']) $item['body'] = crypto_unencapsulate(json_decode_plus($item['body']),$key); } } function theme_attachments(&$item) { $arr = json_decode_plus($item['attach']); if(is_array($arr) && count($arr)) { $attaches = array(); foreach($arr as $r) { $icon = ''; $icontype = substr($r['type'],0,strpos($r['type'],'/')); // FIXME This should probably be a giant "if" statement in the template so that we don't have icon names // embedded in php code switch($icontype) { case 'video': $icon = 'icon-facetime-video'; break; case 'audio': $icon = 'icon-volume-up'; break; case 'image': $icon = 'icon-picture'; break; case 'text': $icon = 'icon-align-justify'; break; default: $icon = 'icon-question'; break; } $title = htmlspecialchars($r['title'], ENT_COMPAT,'UTF-8'); if(! $title) $title = t('unknown.???'); $title .= ' ' . $r['length'] . ' ' . t('bytes'); require_once('include/identity.php'); if(is_foreigner($item['author_xchan'])) $url = $r['href']; else $url = z_root() . '/magic?f=&hash=' . $item['author_xchan'] . '&dest=' . $r['href'] . '/' . $r['revision']; $s .= '<a href="' . $url . '" title="' . $title . '" class="attachlink" >' . $icon . '</a>'; $attaches[] = array('title' => $title, 'url' => $url, 'icon' => $icon ); } } $s = replace_macros(get_markup_template('item_attach.tpl'), array( '$attaches' => $attaches )); return $s; } function format_categories(&$item,$writeable) { $s = ''; $terms = get_terms_oftype($item['term'],TERM_CATEGORY); if($terms) { $categories = array(); foreach($terms as $t) { $term = htmlspecialchars($t['term'],ENT_COMPAT,'UTF-8',false) ; if(! trim($term)) continue; $removelink = (($writeable) ? z_root() . '/filerm/' . $item['id'] . '?f=&cat=' . urlencode($t['term']) : ''); $categories[] = array('term' => $term, 'writeable' => $writeable, 'removelink' => $removelink, 'url' => zid($t['url'])); } } $s = replace_macros(get_markup_template('item_categories.tpl'),array( '$remove' => t('remove category'), '$categories' => $categories )); return $s; } // Add any hashtags which weren't mentioned in the message body, e.g. community tags function format_hashtags(&$item) { $s = ''; $terms = get_terms_oftype($item['term'],TERM_HASHTAG); if($terms) { foreach($terms as $t) { $term = htmlspecialchars($t['term'],ENT_COMPAT,'UTF-8',false) ; if(! trim($term)) continue; if(strpos($item['body'], $t['url'])) continue; if($s) $s .= ' '; $s .= '#<a href="' . zid($t['url']) . '" >' . $term . '</a>'; } } return $s; } function format_mentions(&$item) { $s = ''; $terms = get_terms_oftype($item['term'],TERM_MENTION); if($terms) { foreach($terms as $t) { $term = htmlspecialchars($t['term'],ENT_COMPAT,'UTF-8',false) ; if(! trim($term)) continue; if(strpos($item['body'], $t['url'])) continue; if($s) $s .= ' '; $s .= '@<a href="' . zid($t['url']) . '" >' . $term . '</a>'; } } return $s; } function format_filer(&$item) { $s = ''; $terms = get_terms_oftype($item['term'],TERM_FILE); if($terms) { $categories = array(); foreach($terms as $t) { $term = htmlspecialchars($t['term'],ENT_COMPAT,'UTF-8',false) ; if(! trim($term)) continue; $removelink = z_root() . '/filerm/' . $item['id'] . '?f=&term=' . urlencode($t['term']); $categories[] = array('term' => $term, 'removelink' => $removelink); } } $s = replace_macros(get_markup_template('item_filer.tpl'),array( '$remove' => t('remove from file'), '$categories' => $categories )); return $s; } function generate_map($coord) { $coord = trim($coord); $coord = str_replace(array(',','/',' '),array(' ',' ',' '),$coord); $arr = array('lat' => trim(substr($coord,0,strpos($coord,' '))), 'lon' => trim(substr($coord,strpos($coord,' ')+1)), 'html' => ''); call_hooks('generate_map',$arr); return $arr['html']; } function generate_named_map($location) { $arr = array('location' => $location, 'html' => ''); call_hooks('generate_named_map',$arr); return $arr['html']; } function prepare_body(&$item,$attach = false) { call_hooks('prepare_body_init', $item); unobscure($item); $s = prepare_text($item['body'],$item['mimetype']); $prep_arr = array('item' => $item, 'html' => $s); call_hooks('prepare_body', $prep_arr); $s = $prep_arr['html']; if(! $attach) { return $s; } if(strpos($s,'<div class="map">') !== false && $item['coord']) { $x = generate_map(trim($item['coord'])); if($x) { $s = preg_replace('/\<div class\=\"map\"\>/','$0' . $x,$s); } } $s .= theme_attachments($item); $writeable = ((get_observer_hash() == $item['owner_xchan']) ? true : false); $s .= format_hashtags($item); if($item['resource_type']) $s .= format_mentions($item); $s .= format_categories($item,$writeable); if(local_user() == $item['uid']) $s .= format_filer($item); $s = sslify($s); // Look for spoiler $spoilersearch = '<blockquote class="spoiler">'; // Remove line breaks before the spoiler while ((strpos($s, "\n".$spoilersearch) !== false)) $s = str_replace("\n".$spoilersearch, $spoilersearch, $s); while ((strpos($s, "<br />".$spoilersearch) !== false)) $s = str_replace("<br />".$spoilersearch, $spoilersearch, $s); while ((strpos($s, $spoilersearch) !== false)) { $pos = strpos($s, $spoilersearch); $rnd = random_string(8); $spoilerreplace = '<br /> <span id="spoiler-wrap-'.$rnd.'" style="white-space:nowrap;" class="fakelink" onclick="openClose(\'spoiler-'.$rnd.'\');">'.sprintf(t('Click to open/close')).'</span>'. '<blockquote class="spoiler" id="spoiler-'.$rnd.'" style="display: none;">'; $s = substr($s, 0, $pos).$spoilerreplace.substr($s, $pos+strlen($spoilersearch)); } // Look for quote with author $authorsearch = '<blockquote class="author">'; while ((strpos($s, $authorsearch) !== false)) { $pos = strpos($s, $authorsearch); $rnd = random_string(8); $authorreplace = '<br /> <span id="author-wrap-'.$rnd.'" style="white-space:nowrap;" class="fakelink" onclick="openClose(\'author-'.$rnd.'\');">'.sprintf(t('Click to open/close')).'</span>'. '<blockquote class="author" id="author-'.$rnd.'" style="display: block;">'; $s = substr($s, 0, $pos).$authorreplace.substr($s, $pos+strlen($authorsearch)); } $prep_arr = array('item' => $item, 'html' => $s); call_hooks('prepare_body_final', $prep_arr); return $prep_arr['html']; } // Given a text string, convert from bbcode to html and add smilie icons. function prepare_text($text,$content_type = 'text/bbcode') { switch($content_type) { case 'text/plain': $s = escape_tags($text); break; case 'text/html': $s = $text; break; case 'text/markdown': require_once('library/markdown.php'); $s = Markdown($text); break; // No security checking is done here at display time - so we need to verify // that the author is allowed to use PHP before storing. We also cannot allow // importation of PHP text bodies from other sites. Therefore this content // type is only valid for web pages (and profile details). // It may be possible to provide a PHP message body which is evaluated on the // sender's site before sending it elsewhere. In that case we will have a // different content-type here. case 'application/x-php': ob_start(); eval($text); $s = ob_get_contents(); ob_end_clean(); break; case 'text/bbcode': case '': default: require_once('include/bbcode.php'); if(stristr($text,'[nosmile]')) $s = bbcode($text); else $s = smilies(bbcode($text)); $s = zidify_links($s); break; } //logger('prepare_text: ' . $s); return $s; } /** * zidify_callback() and zidify_links() work together to turn any HTML a tags with class="zrl" into zid links * These will typically be generated by a bbcode '[zrl]' tag. This is done inside prepare_text() rather than bbcode() * because the latter is used for general purpose conversions and the former is used only when preparing text for * immediate display. * * Issues: Currently the order of HTML parameters in the text is somewhat rigid and inflexible. * We assume it looks like <a class="zrl" href="xxxxxxxxxx"> and will not work if zrl and href appear in a different order. */ function zidify_callback($match) { $is_zid = ((feature_enabled(local_user(),'sendzid')) || (strpos($match[1],'zrl')) ? true : false); $replace = '<a' . $match[1] . ' href="' . (($is_zid) ? zid($match[2]) : $match[2]) . '"'; $x = str_replace($match[0],$replace,$match[0]); return $x; } function zidify_img_callback($match) { $is_zid = ((feature_enabled(local_user(),'sendzid')) || (strpos($match[1],'zrl')) ? true : false); $replace = '<img' . $match[1] . ' src="' . (($is_zid) ? zid($match[2]) : $match[2]) . '"'; $x = str_replace($match[0],$replace,$match[0]); return $x; } function zidify_links($s) { $s = preg_replace_callback('/\<a(.*?)href\=\"(.*?)\"/ism','zidify_callback',$s); $s = preg_replace_callback('/\<img(.*?)src\=\"(.*?)\"/ism','zidify_img_callback',$s); return $s; } /** * return atom link elements for all of our hubs */ function feed_hublinks() { $hub = get_config('system','huburl'); $hubxml = ''; if(strlen($hub)) { $hubs = explode(',', $hub); if(count($hubs)) { foreach($hubs as $h) { $h = trim($h); if(! strlen($h)) continue; $hubxml .= '<link rel="hub" href="' . xmlify($h) . '" />' . "\n" ; } } } return $hubxml; } /* return atom link elements for salmon endpoints */ function feed_salmonlinks($nick) { $a = get_app(); $salmon = '<link rel="salmon" href="' . xmlify($a->get_baseurl() . '/salmon/' . $nick) . '" />' . "\n" ; // old style links that status.net still needed as of 12/2010 $salmon .= ' <link rel="http://salmon-protocol.org/ns/salmon-replies" href="' . xmlify($a->get_baseurl() . '/salmon/' . $nick) . '" />' . "\n" ; $salmon .= ' <link rel="http://salmon-protocol.org/ns/salmon-mention" href="' . xmlify($a->get_baseurl() . '/salmon/' . $nick) . '" />' . "\n" ; return $salmon; } function get_plink($item,$conversation_mode = true) { if($conversation_mode) $key = 'plink'; else $key = 'llink'; if(x($item,$key)) { return array( 'href' => zid($item[$key]), 'title' => t('Link to Source'), ); } else { return false; } } function unamp($s) { return str_replace('&', '&', $s); } function layout_select($channel_id, $current = '') { $r = q("select mid,sid from item left join item_id on iid = item.id where service = 'PDL' and item.uid = item_id.uid and item_id.uid = %d and (item_restrict & %d)>0", intval($channel_id), intval(ITEM_PDL) ); if($r) { $o = t('Select a page layout: '); $o .= '<select name="layout_mid" id="select-layout_mid" >'; $empty_selected = (($current === '') ? ' selected="selected" ' : ''); $o .= '<option value="" ' . $empty_selected . '>' . t('default') . '</option>'; foreach($r as $rr) { $selected = (($rr['mid'] == $current) ? ' selected="selected" ' : ''); $o .= '<option value="' . $rr['mid'] . '"' . $selected . '>' . $rr['sid'] . '</option>'; } $o .= '</select>'; } return $o; } function mimetype_select($channel_id, $current = 'text/bbcode') { $x = array( 'text/bbcode', 'text/html', 'text/markdown', 'text/plain' ); $r = q("select account_id, account_roles from account left join channel on account_id = channel_account_id where channel_id = %d limit 1", intval($channel_id) ); if($r) { if($r[0]['account_roles'] & ACCOUNT_ROLE_ALLOWCODE) { if(local_user() && get_account_id() == $r[0]['account_id']) $x[] = 'application/x-php'; } } $o = t('Page content type: '); $o .= '<select name="mimetype" id="mimetype-select">'; foreach($x as $y) { $select = (($y == $current) ? ' selected="selected" ' : ''); $o .= '<option name="' . $y . '"' . $select . '>' . $y . '</option>'; } $o .= '</select>'; return $o; } function lang_selector() { global $a; $langs = glob('view/*/strings.php'); $lang_options = array(); $selected = ""; if(is_array($langs) && count($langs)) { $langs[] = ''; if(! in_array('view/en/strings.php',$langs)) $langs[] = 'view/en/'; asort($langs); foreach($langs as $l) { if($l == '') { $lang_options[""] = t('default'); continue; } $ll = substr($l,5); $ll = substr($ll,0,strrpos($ll,'/')); $selected = (($ll === $a->language && (x($_SESSION, 'language'))) ? $ll : $selected); $lang_options[$ll] = get_language_name($ll, $ll) . " ($ll)"; } } $tpl = get_markup_template("lang_selector.tpl"); $o = replace_macros($tpl, array( '$title' => t('Select an alternate language'), '$langs' => array($lang_options, $selected), )); return $o; } function return_bytes ($size_str) { switch (substr ($size_str, -1)) { case 'M': case 'm': return (int)$size_str * 1048576; case 'K': case 'k': return (int)$size_str * 1024; case 'G': case 'g': return (int)$size_str * 1073741824; default: return $size_str; } } function base64url_encode($s, $strip_padding = true) { $s = strtr(base64_encode($s),'+/','-_'); if($strip_padding) $s = str_replace('=','',$s); return $s; } function base64url_decode($s) { if(is_array($s)) { logger('base64url_decode: illegal input: ' . print_r(debug_backtrace(), true)); return $s; } return base64_decode(strtr($s,'-_','+/')); } /** * @ Return a div to clear floats. * * @return string */ function cleardiv() { return '<div class="clear"></div>'; } function bb_translate_video($s) { $matches = null; $r = preg_match_all("/\[video\](.*?)\[\/video\]/ism",$s,$matches,PREG_SET_ORDER); if($r) { foreach($matches as $mtch) { if((stristr($mtch[1],'youtube')) || (stristr($mtch[1],'youtu.be'))) $s = str_replace($mtch[0],'[youtube]' . $mtch[1] . '[/youtube]',$s); elseif(stristr($mtch[1],'vimeo')) $s = str_replace($mtch[0],'[vimeo]' . $mtch[1] . '[/vimeo]',$s); } } return $s; } function html2bb_video($s) { $s = preg_replace('#<object[^>]+>(.*?)https?://www.youtube.com/((?:v|cp)/[A-Za-z0-9\-_=]+)(.*?)</object>#ism', '[youtube]$2[/youtube]', $s); $s = preg_replace('#<iframe[^>](.*?)https?://www.youtube.com/embed/([A-Za-z0-9\-_=]+)(.*?)</iframe>#ism', '[youtube]$2[/youtube]', $s); $s = preg_replace('#<iframe[^>](.*?)https?://player.vimeo.com/video/([0-9]+)(.*?)</iframe>#ism', '[vimeo]$2[/vimeo]', $s); return $s; } /** * apply xmlify() to all values of array $val, recursively */ function array_xmlify($val) { if (is_bool($val)) return $val?"true":"false"; if (is_array($val)) return array_map('array_xmlify', $val); return xmlify((string) $val); } function reltoabs($text, $base) { if (empty($base)) return $text; $base = rtrim($base,'/'); $base2 = $base . "/"; // Replace links $pattern = "/<a([^>]*) href=\"(?!http|https|\/)([^\"]*)\"/"; $replace = "<a\${1} href=\"" . $base2 . "\${2}\""; $text = preg_replace($pattern, $replace, $text); $pattern = "/<a([^>]*) href=\"(?!http|https)([^\"]*)\"/"; $replace = "<a\${1} href=\"" . $base . "\${2}\""; $text = preg_replace($pattern, $replace, $text); // Replace images $pattern = "/<img([^>]*) src=\"(?!http|https|\/)([^\"]*)\"/"; $replace = "<img\${1} src=\"" . $base2 . "\${2}\""; $text = preg_replace($pattern, $replace, $text); $pattern = "/<img([^>]*) src=\"(?!http|https)([^\"]*)\"/"; $replace = "<img\${1} src=\"" . $base . "\${2}\""; $text = preg_replace($pattern, $replace, $text); // Done return $text; } function item_post_type($item) { switch($item['resource_type']) { case 'photo': $post_type = t('photo'); break; case 'event': $post_type = t('event'); break; default: $post_type = t('status'); if($item['mid'] != $item['parent_mid']) $post_type = t('comment'); break; } if(strlen($item['verb']) && (! activity_match($item['verb'],ACTIVITY_POST))) $post_type = t('activity'); return $post_type; } function undo_post_tagging($s) { $matches = null; $cnt = preg_match_all('/([@#])(\!*)\[zrl=(.*?)\](.*?)\[\/zrl\]/ism',$s,$matches,PREG_SET_ORDER); if($cnt) { foreach($matches as $mtch) { $s = str_replace($mtch[0], $mtch[1] . $mtch[2] . str_replace(' ','_',$mtch[4]),$s); } } return $s; } function fix_mce_lf($s) { $s = str_replace("\r\n","\n",$s); // $s = str_replace("\n\n","\n",$s); return $s; } function protect_sprintf($s) { return(str_replace('%','%%',$s)); } function is_a_date_arg($s) { $i = intval($s); if($i > 1900) { $y = date('Y'); if($i <= $y+1 && strpos($s,'-') == 4) { $m = intval(substr($s,5)); if($m > 0 && $m <= 12) return true; } } return false; } function legal_webbie($s) { if(! strlen($s)) return ''; $x = $s; do { $s = $x; $x = preg_replace('/^([^a-z])(.*?)/',"$2",$s); } while($x != $s); return preg_replace('/([^a-z0-9\-\_])/','',$x); } function check_webbie($arr) { $reservechan = get_config('system','reserved_channels'); if(strlen($reservechan)) $taken = explode(',', $reservechan); else $taken = array(); $str = ''; if(count($arr)) { foreach($arr as $x) { $y = legal_webbie($x); if(strlen($y)) { if($str) $str .= ','; $str .= "'" . dbesc($y) . "'"; } } if(strlen($str)) { $r = q("select channel_address from channel where channel_address in ( $str ) "); if(count($r)) { foreach($r as $rr) { $taken[] = $rr['channel_address']; } } foreach($arr as $x) { $y = legal_webbie($x); if(! in_array($y,$taken)) { return $y; } } } } return ''; } function ids_to_querystr($arr,$idx = 'id') { $t = array(); foreach($arr as $x) $t[] = $x[$idx]; return(implode(',', $t)); } // Fetches xchan and hubloc data for an array of items with only an // author_xchan and owner_xchan. If $abook is true also include the abook info. // This is needed in the API to save extra per item lookups there. function xchan_query(&$items,$abook = true,$effective_uid = 0) { $arr = array(); if($items && count($items)) { if($effective_uid) { for($x = 0; $x < count($items); $x ++) { $items[$x]['real_uid'] = $items[$x]['uid']; $items[$x]['uid'] = $effective_uid; } } foreach($items as $item) { if($item['owner_xchan'] && (! in_array($item['owner_xchan'],$arr))) $arr[] = "'" . dbesc($item['owner_xchan']) . "'"; if($item['author_xchan'] && (! in_array($item['author_xchan'],$arr))) $arr[] = "'" . dbesc($item['author_xchan']) . "'"; } } if(count($arr)) { if($abook) { $chans = q("select * from xchan left join hubloc on hubloc_hash = xchan_hash left join abook on abook_xchan = xchan_hash and abook_channel = %d where xchan_hash in (" . implode(',', $arr) . ") and ( hubloc_flags & " . intval(HUBLOC_FLAGS_PRIMARY) . " )>0", intval($item['uid']) ); } else { $chans = q("select xchan.*,hubloc.* from xchan left join hubloc on hubloc_hash = xchan_hash where xchan_hash in (" . implode(',', $arr) . ") and ( hubloc_flags & " . intval(HUBLOC_FLAGS_PRIMARY) . " )>0"); } $xchans = q("select * from xchan where xchan_hash in (" . implode(',',$arr) . ") and xchan_network in ('rss','unknown')"); if(! $chans) $chans = $xchans; else $chans = array_merge($xchans,$chans); } if($items && count($items) && $chans && count($chans)) { for($x = 0; $x < count($items); $x ++) { $items[$x]['owner'] = find_xchan_in_array($items[$x]['owner_xchan'],$chans); $items[$x]['author'] = find_xchan_in_array($items[$x]['author_xchan'],$chans); } } } function xchan_mail_query(&$item) { $arr = array(); $chans = null; if($item) { if($item['from_xchan'] && (! in_array($item['from_xchan'],$arr))) $arr[] = "'" . dbesc($item['from_xchan']) . "'"; if($item['to_xchan'] && (! in_array($item['to_xchan'],$arr))) $arr[] = "'" . dbesc($item['to_xchan']) . "'"; } if(count($arr)) { $chans = q("select xchan.*,hubloc.* from xchan left join hubloc on hubloc_hash = xchan_hash where xchan_hash in (" . implode(',', $arr) . ") and ( hubloc_flags & " . intval(HUBLOC_FLAGS_PRIMARY) . " )>0"); } if($chans) { $item['from'] = find_xchan_in_array($item['from_xchan'],$chans); $item['to'] = find_xchan_in_array($item['to_xchan'],$chans); } } function find_xchan_in_array($xchan,$arr) { if(count($arr)) { foreach($arr as $x) { if($x['xchan_hash'] === $xchan) { return $x; } } } return array(); } function get_rel_link($j,$rel) { if(count($j)) foreach($j as $l) if($l['rel'] === $rel) return $l['href']; return ''; } // Lots of code to write here function magic_link($s) { return $s; } // if $escape is true, dbesc() each element before adding quotes function stringify_array_elms(&$arr,$escape = false) { for($x = 0; $x < count($arr); $x ++) $arr[$x] = "'" . (($escape) ? dbesc($arr[$x]) : $arr[$x]) . "'"; } /** * Indents a flat JSON string to make it more human-readable. * * @param string $json The original JSON string to process. * * @return string Indented version of the original JSON string. */ function jindent($json) { $result = ''; $pos = 0; $strLen = strlen($json); $indentStr = ' '; $newLine = "\n"; $prevChar = ''; $outOfQuotes = true; for ($i=0; $i<=$strLen; $i++) { // Grab the next character in the string. $char = substr($json, $i, 1); // Are we inside a quoted string? if ($char == '"' && $prevChar != '\\') { $outOfQuotes = !$outOfQuotes; // If this character is the end of an element, // output a new line and indent the next line. } else if(($char == '}' || $char == ']') && $outOfQuotes) { $result .= $newLine; $pos --; for ($j=0; $j<$pos; $j++) { $result .= $indentStr; } } // Add the character to the result string. $result .= $char; // If the last character was the beginning of an element, // output a new line and indent the next line. if (($char == ',' || $char == '{' || $char == '[') && $outOfQuotes) { $result .= $newLine; if ($char == '{' || $char == '[') { $pos ++; } for ($j = 0; $j < $pos; $j++) { $result .= $indentStr; } } $prevChar = $char; } return $result; } function json_decode_plus($s) { $x = json_decode($s,true); if(! $x) $x = json_decode(str_replace(array('\\"','\\\\'),array('"','\\'),$s),true); return $x; } function design_tools() { $channel = get_app()->get_channel(); $sys = false; if(get_app()->is_sys && is_site_admin()) { require_once('include/identity.php'); $channel = get_sys_channel(); $sys = true; } $who = $channel['channel_address']; return replace_macros(get_markup_template('design_tools.tpl'), array( '$title' => t('Design'), '$who' => $who, '$sys' => $sys, '$blocks' => t('Blocks'), '$menus' => t('Menus'), '$layout' => t('Layouts'), '$pages' => t('Pages') )); } /* case insensitive in_array() */ function in_arrayi($needle, $haystack) { return in_array(strtolower($needle), array_map('strtolower', $haystack)); } function normalise_openid($s) { return trim(str_replace(array('http://','https://'),array('',''),$s),'/'); } // used in ajax endless scroll request to find out all the args that the master page was viewing. // This was using $_REQUEST, but $_REQUEST also contains all your cookies. So we're restricting it // to $_GET and $_POST. function extra_query_args() { $s = ''; if(count($_GET)) { foreach($_GET as $k => $v) { // these are request vars we don't want to duplicate if(! in_array($k, array('q','f','zid','page','PHPSESSID'))) { $s .= '&' . $k . '=' . urlencode($v); } } } if(count($_POST)) { foreach($_POST as $k => $v) { // these are request vars we don't want to duplicate if(! in_array($k, array('q','f','zid','page','PHPSESSID'))) { $s .= '&' . $k . '=' . urlencode($v); } } } return $s; } /** * This function removes the tag $tag from the text $body and replaces it with * the appropiate link. * * @param unknown_type $body the text to replace the tag in * @param unknown_type $access_tag - used to return tag ACL exclusions e.g. @!foo * @param unknown_type $str_tags string to add the tag to * @param unknown_type $profile_uid * @param unknown_type $tag the tag to replace * * @return boolean true if replaced, false if not replaced */ function handle_tag($a, &$body, &$access_tag, &$str_tags, $profile_uid, $tag) { $replaced = false; $r = null; $termtype = ((strpos($tag,'#') === 0) ? TERM_HASHTAG : TERM_UNKNOWN); $termtype = ((strpos($tag,'@') === 0) ? TERM_MENTION : $termtype); $termtype = ((strpos($tag,'#^[') === 0) ? TERM_BOOKMARK : $termtype); //is it a hash tag? if(strpos($tag,'#') === 0) { if(strpos($tag,'#^[') === 0) { if(preg_match('/#\^\[(url|zrl)(.*?)\](.*?)\[\/(url|zrl)\]/',$tag,$match)) { $basetag = $match[3]; $url = ((substr($match[2],0,1) === '=') ? substr($match[2],1) : $match[3]); $replaced = true; } } // if the tag is already replaced... elseif((strpos($tag,'[zrl=')) || (strpos($tag,'[url='))) { //...do nothing return $replaced; } if($tag == '#getzot') { $basetag = 'getzot'; $url = 'https://redmatrix.me'; $newtag = '#[zrl=' . $url . ']' . $basetag . '[/zrl]'; $body = str_replace($tag,$newtag,$body); $replaced = true; } if(! $replaced) { //base tag has the tags name only if((substr($tag,0,7) === '#"') && (substr($tag,-6,6) === '"')) { $basetag = substr($tag,7); $basetag = substr($basetag,0,-6); } else $basetag = str_replace('_',' ',substr($tag,1)); //create text for link $url = $a->get_baseurl() . '/search?tag=' . rawurlencode($basetag); $newtag = '#[zrl=' . $a->get_baseurl() . '/search?tag=' . rawurlencode($basetag) . ']' . $basetag . '[/zrl]'; //replace tag by the link $body = str_replace($tag, $newtag, $body); $replaced = true; } //is the link already in str_tags? if(! stristr($str_tags,$newtag)) { //append or set str_tags if(strlen($str_tags)) $str_tags .= ','; $str_tags .= $newtag; } return array('replaced' => $replaced, 'termtype' => $termtype, 'term' => $basetag, 'url' => $url, 'contact' => $r[0]); } //is it a person tag? if(strpos($tag,'@') === 0) { // The @! tag will alter permissions $exclusive = ((strpos($tag,'!') === 1) ? true : false); //is it already replaced? if(strpos($tag,'[zrl=')) return $replaced; //get the person's name $name = substr($tag,(($exclusive) ? 2 : 1)); // The name or name fragment we are going to replace $newname = $name; // a copy that we can mess with $tagcid = 0; $r = null; // is it some generated name? $forum = false; $trailing_plus_name = false; // @channel+ is a forum or network delivery tag if(substr($newname,-1,1) === '+') { $forum = true; $newname = substr($newname,0,-1); } // Here we're looking for an address book entry as provided by the auto-completer // of the form something+nnn where nnn is an abook_id or the first chars of xchan_hash if(strrpos($newname,'+')) { //get the id if(strrpos($tagcid,' ')) $tagcid = substr($tagcid,0,strrpos($tagcid,' ')); $tagcid = substr($newname,strrpos($newname,'+') + 1); if(strlen($tagcid) < 16) $abook_id = intval($tagcid); //remove the next word from tag's name if(strpos($name,' ')) { $name = substr($name,0,strpos($name,' ')); } if($abook_id) { // if there was an id // select channel with that id from the logged in user's address book $r = q("SELECT * FROM abook left join xchan on abook_xchan = xchan_hash WHERE abook_id = %d AND abook_channel = %d LIMIT 1", intval($abook_id), intval($profile_uid) ); } else { $r = q("SELECT * FROM xchan WHERE xchan_hash like '%s%%' LIMIT 1", dbesc($tagcid) ); } } if(! $r) { // look for matching names in the address book // Two ways to deal with spaces - double quote the name or use underscores // we see this after input filtering so quotes have been html entity encoded if((substr($name,0,6) === '"') && (substr($name,-6,6) === '"')) { $newname = substr($name,6); $newname = substr($newname,0,-6); } else $newname = str_replace('_',' ',$name); // do this bit over since we started over with $name if(substr($newname,-1,1) === '+') { $forum = true; $newname = substr($newname,0,-1); } //select someone from this user's contacts by name $r = q("SELECT * FROM abook left join xchan on abook_xchan = xchan_hash WHERE xchan_name = '%s' AND abook_channel = %d LIMIT 1", dbesc($newname), intval($profile_uid) ); if(! $r) { //select someone by attag or nick and the name passed in $r = q("SELECT * FROM abook left join xchan on abook_xchan = xchan_hash WHERE xchan_addr like ('%s') AND abook_channel = %d LIMIT 1", dbesc(((strpos($newname,'@')) ? $newname : $newname . '@%')), intval($profile_uid) ); } if(! $r) { // it's possible somebody has a name ending with '+', which we stripped off as a forum indicator // This is very rare but we want to get it right. $r = q("SELECT * FROM abook left join xchan on abook_xchan = xchan_hash WHERE xchan_name = '%s' AND abook_channel = %d LIMIT 1", dbesc($newname . '+'), intval($profile_uid) ); if($r) $trailing_plus_name = true; } } // $r is set if we found something $channel = get_app()->get_channel(); if($r) { $profile = $r[0]['xchan_url']; $newname = $r[0]['xchan_name']; // add the channel's xchan_hash to $access_tag if exclusive if($exclusive) { $access_tag .= 'cid:' . $r[0]['xchan_hash']; } } else { // check for a group/collection exclusion tag // note that we aren't setting $replaced even though we're replacing text. // This tag isn't going to get a term attached to it. It's only used for // access control. The link points to out own channel just so it doesn't look // weird - as all the other tags are linked to something. if(local_user() && local_user() == $profile_uid) { require_once('include/group.php'); $grp = group_byname($profile_uid,$name); if($grp) { $g = q("select hash from groups where id = %d and visible = 1 limit 1", intval($grp) ); if($g && $exclusive) { $access_tag .= 'gid:' . $g[0]['hash']; } $channel = get_app()->get_channel(); if($channel) { $newtag = '@' . (($exclusive) ? '!' : '') . '[zrl=' . z_root() . '/channel/' . $channel['channel_address'] . ']' . $newname . '[/zrl]'; $body = str_replace('@' . (($exclusive) ? '!' : '') . $name, $newtag, $body); } } } } if(($exclusive) && (! $access_tag)) { $access_tag .= 'cid:' . $channel['channel_hash']; } // if there is an url for this channel if(isset($profile)) { $replaced = true; //create profile link $profile = str_replace(',','%2c',$profile); $url = $profile; $newtag = '@' . (($exclusive) ? '!' : '') . '[zrl=' . $profile . ']' . $newname . (($forum && ! $trailing_plus_name) ? '+' : '') . '[/zrl]'; $body = str_replace('@' . (($exclusive) ? '!' : '') . $name, $newtag, $body); //append tag to str_tags if(! stristr($str_tags,$newtag)) { if(strlen($str_tags)) $str_tags .= ','; $str_tags .= $newtag; } } } return array('replaced' => $replaced, 'termtype' => $termtype, 'term' => $newname, 'url' => $url, 'contact' => $r[0]); }